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Special Agent in Charge
Dennis A. Wichern

Special Agent in Charge (SAC) Dennis Wichern entered on duty with the United States Department of Justice, Drug Enforcement Administration (DEA) in 1987, as a Special Agent assigned to the St. Louis Field Division.  After conducting numerous investigations involving criminal organizations operating in the St. Louis area, SAC Wichern was promoted to Group Supervisor in 1997, where he supervised investigators, intelligence analysts and support staff.

 In July of 2001, SAC Wichern was transferred to the Domestic Operations Division, located in Washington D.C., where he coordinated multi-jurisdictional investigations. 

In August 2002, SAC Wichern was promoted to Assistant Special Agent in Charge of Domestic Operations, where he managed Supervisory Special Agents and oversaw multi-agency, multi-jurisdictional investigations.
In March 2005, SAC Wichern was reassigned to the Chicago Division as the Assistant Special Agent in Charge of the Indianapolis District Office, where he was responsible for all of DEA’s operations throughout Indiana. 

In January 2015, SAC Wichern was appointed Special Agent in Charge of the Chicago Field Division. He directs all enforcement and administrative activities for DEA in the states of Illinois, Indiana, Wisconsin, Minnesota, and North Dakota.


Chicago-Wichern Division SAC

  • MEDIA:
    Special Agent Leo Hawkins
    (312) 886-2597

    Special Agent Dorothy A. Sells
    (312) 353-7875

    Daniel Gillen
    (312) 353-7875



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